I just read this article about stopping sweat with deep brain stimulation for people with Parkinsons disease... could it work for hyperhidrosis?
Alleviation of drenching sweats following subth... [J Neurol Sci. 2009] - PubMed - NCBI
Alleviation of drenching sweats following subth... [J Neurol Sci. 2009] - PubMed - NCBI